Table 3 Antibiotics susceptibility profile for selected Gram-negative bacteria as read in mean diameter of zones of inhibition (mm) after exposure to acoustic treatment at 1125Â Hz/80Â dB compared with control
Bacteria | Exposure | CAZ | CIP | TET | IMP | AMP |
|---|---|---|---|---|---|---|
S. marcescens ATCC14756 | a) Control b) 24 h c) 48 h d) 72 h | 26 ± 1.4 23 ± 1.4 23 ± 0 20 ± 9.2 | 28 ± 2.8 21 ± 1.4 29 ± 2.8 25 ± 0.7 | R R R 12 ± 2.1 | 2.6 ± 1.4 29 ± 1.4 32 ± 1.4 26 ± 5.7 | R R R 19 ± 4.2 |
P. aeruginosa ATCC9027 | a) Control b) 24 h c) 48 h d) 72 h | a) 26 ± 1.4 b) 20 ± 9.2 c) 26 ± 2.1 d) 30 ± 0.7 | a) 34 ± 3.5 b) 23 ± 3.5 c) 22 ± 0 d) 27 ± 1.4 | a) R b) R c) 27 ± 2.8 d) R | a) 26 ± 2.8 b) 17 ± 4.2 c) R d) 31 ± 4.9 | a) R b) R c) R d) R |
G. oxydans ATCC19357 | a) Control b) 24 h c) 48 h d) 72 h | a) 27 ± 2.8 b) 20 ± 0 c) 14 ± 2.1 d) R | a) 26 ± 0.7 b) 17 ± 2.1 c) 19 ± 1.4 d) 22 ± 0.7 | a) R b) R c) 26 ± 2.8 d) R | a) 26 ± 1.4 b) 24 ± 3.5 c) R d) 18 ± 13.4 | a) 23 ± 0.7 b) R c) 18 ± 0 d) R |
R. sphaeroides ATCC17023 | a) Control b) 24 h c) 48 h d) 72 h | a) 24 ± 0.7 b) 19 ± 0.7 c) 24 ± 1.4 d) 28 ± 0.7 | a) 24 ± 0.7 b) 23 ± 0 c) 24 ± 3.5 d) 23 ± 3.5 | a) R b) R c) 28 ± 0.7 d) R | a) R b) 23 ± 3.5 c) R d) 34 ± 0.7 | a) R b) R c) R d) R |
C. freundii ATCC33128 | a) Control b) 24 h c) 48 h d) 72 h | a) 14 ± 0.7 b) 14 ± 0 c) 20 ± 7.1 d) 30 ± 0 | a) 26 ± 0.7 b) 24 ± 0.7 c) 31 ± 2.1 d) 30 ± 1.4 | a) 25 ± 0 b) R c) 12 ± 0.7 d) 11 ± 1.4 | a) 29 ± 4.2 b) 25 ± 0.7 c) R d) 30 ± 0 | a) 30 ± 2.1 b) R C) R d) R |
Y. pestis ATCC11953 | a) Control b) 24 h c) 48 h d) 72 h | a) 13 ± 1.4 b) 23 ± 0.7 c) 18 ± 0 d) 16 ± 2.8 | a) 23 ± 0 b) 22 ± 2.1 c) 20 ± 0.7 d) 18 ± 2.8 | a) R b) R c) R d) R | a) 23 ± 1.4 b) 20 ± 4.9 c) 26 ± 0.7 d) 23 ± 0.7 | a) 15 ± 0 b) 14 ± 2.1 c) 15 ± 0.7 d) 17 ± 1.4 |
K. pneumoniae ATCC25955 | a) Control b) 24 h c) 48 h d) 72 h | a) 26 ± 1.4 b) 27 ± 1.4 c) 26 ± 0.7 d) 26 ± 2.8 | a) 31 ± 2.1 b) 21 ± 1.4 c) 23 ± 0.7 d) 25 ± 3.5 | a) R b) R c) 25 ± 5.7 d) R | a) 22 ± 2.8 b) 30 ± 0.7 c) R d) 31 ± 0.7 | a) 24 ± 0.7 b) R c) R d) R |
A.aceti ATCC15973 | a) Control b) 24 h c) 48 h d) 72 h | a) 19 ± 4.2 b) 26 ± 0 c) 14 ± 4.2 d) 19 ± 0.7 | a) 21 ± 9.9 b) 19 ± 2.1 c) 28 ± 4.9 d) 20 ± 0 | a) 13 ± 4.2 b) R c) 21 ± 14.1 d) 10 ± 0 | a) 17 ± 1.4 b) 34 ± 7.1 c) 22 ± 2.8 d) 27 ± 1.4 | a) 16 ± 4.2 b) 13 ± 1.4 c) R d) R |
E. coli ATCC25922 | a) Control b) 24 h c) 48 h d) 72 h | a) 29 ± 1.4 b) 14 ± 1.4 c) 17 ± 0.7 d) 18 ± 1.4 | a) 22 ± 1.4 b) 20 ± 0.7 c) 21 ± 1.4 d) 21 ± 0.7 | a) 19 ± 0 b) R c) 20 ± 4.2 d) R | a) 33 ± 4.2 b) 20 ± 0 c) R d) 27 ± 1.4 | a) 26 ± 1.4 b) R c) R d) R |